Finding the Fourth Proportional to 419,518.26, 629,276.92 and 103,975.18
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Solution
The fourth proportional to 419,518.26, 629,276.92 and 103,975.18 is: 155,962.65
Step by Step Solution
- Step 1: Write the proportion equation
419,518.26 : 629,276.92 = 103,975.18 : x - Step 2: Convert to fraction form
419,518.26/629,276.92 = 103,975.18/x - Step 3: Cross multiply
419,518.26x = 629,276.92 × 103,975.18 - Step 4: Simplify right side
419,518.26x = 65,429,179,193.72 - Step 5: Solve for x
x = 65,429,179,193.72/419,518.26 - Step 6: Final answer
x = 155,962.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.